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Study Evaluation the Efficacy and Safety of Vardenafil in Subjects With Erectile Dysfunction for 10 Weeks

This study has been completed.
Information provided by (Responsible Party):
Bayer Identifier:
First received: April 18, 2008
Last updated: October 10, 2013
Last verified: October 2013
The aim of this international study was to determine if 10 weeks of flexible-dose vardenafil therapy demonstrates superior efficacy compared to the dummy drug (placebo) in Erectile dysfunction subjects of a broad etiology when dosed 8 (+/-2) hours prior to sexual intercourse. In addition it should have been determined, if subjects with ED from a broad etiology can tolerate 10 weeks of flexible-dose vardenafil therapy when dosed 8(+/-2) hours prior to sexual intercourse.

Condition Intervention Phase
Erectile Dysfunction Drug: Levitra (Vardenafil, BAY38-9456) Drug: Placebo Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment
Official Title: A Randomized, Double-Blind, Parallel-Group, Placebo-Controlled Study Evaluating the Duration of Efficacy and Safety of Vardenafil Administered for 10 Weeks in a Flexible-Dose Regimen Compared to Placebo in Subjects With Erectile Dysfunction

Resource links provided by NLM:

Further study details as provided by Bayer:

Primary Outcome Measures:
  • Per-patient success rates based on Sexual Encounter Profile, Question 3 [ Time Frame: 10 weeks ]

Secondary Outcome Measures:
  • Per-subject success rates based on Sexual Encounter Profile, Question 2 [ Time Frame: 10 weeks ]
  • International Index of Erectile Function- Erectile Function domain score [ Time Frame: 10 weeks ]
  • Global Assessment Question (GAQ) [ Time Frame: 10 weeks ]
  • Safety and tolerability [ Time Frame: 10 weeks ]

Enrollment: 383
Study Start Date: December 2003
Study Completion Date: August 2004
Arms Assigned Interventions
Experimental: Arm 1 Drug: Levitra (Vardenafil, BAY38-9456)
5mg, 10mg or 20mg taken 8 hours before sexual intercourse
Placebo Comparator: Arm 2 Drug: Placebo
matching placebo


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Men >/= 18 years of age, with 6 months or longer diagnosis of ED as defined by NIH Consensus statement,
  • History of unresponsiveness to sildenafil
  • Stable sexual relationship for > 6 month.

Exclusion Criteria:

  • Primary hypoactive sexual desire
  • History of myocardial infarction, stroke or life-threatening arrhythmia within prior 6 month
  • Nitrate therapy.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00682019

Sponsors and Collaborators
Study Director: Bayer Study Director Bayer
  More Information

Additional Information:
Responsible Party: Bayer Identifier: NCT00682019     History of Changes
Other Study ID Numbers: 100493
Study First Received: April 18, 2008
Last Updated: October 10, 2013

Keywords provided by Bayer:
Erectile Dysfunction

Additional relevant MeSH terms:
Erectile Dysfunction
Sexual Dysfunction, Physiological
Genital Diseases, Male
Sexual Dysfunctions, Psychological
Mental Disorders
Vardenafil Dihydrochloride
Vasodilator Agents
Phosphodiesterase 5 Inhibitors
Phosphodiesterase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Urological Agents processed this record on August 22, 2017